<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>. 
//
// This file was modified by contributors of "BOINC Web Tweak" project.

// support for page-level translation
// Some of this should be merged with translation.inc

function get_lang_list() {
	if (isset($_COOKIE['lang'])){
		$language_string = $_COOKIE['lang'].",";
	} else {
		$language_string = '';
	}
	if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) {
		$language_string .= strtolower($_SERVER["HTTP_ACCEPT_LANGUAGE"]);
	}
	$client_languages = explode(",",$language_string);

	$lang_list = array();
	for ($i=0; $i<sizeof($client_languages); $i++) {
		if ((strlen($client_languages[$i])>2)
			&& (substr($client_languages[$i],2,1)=="_" || substr($client_languages[$i],2,1)=="-"))
		{
			// If this is defined as primary-secondary, represent it as xx_YY
			//
			$language = substr(
				$client_languages[$i],0,2)."_".strtoupper(substr($client_languages[$i],3,2)
			);
			$lang_list[] = $language;

			// And also check for the primary language
			//
			$language = substr($client_languages[$i],0,2);
			$lang_list[] = $language;
		} else {
			// else just use xx
			//
			$language = substr($client_languages[$i],0,2);
			$lang_list[] = $language;
		}
	}
	return $lang_list;
}

function find_translation($file) {
	$lang_list = get_lang_list();
	foreach ($lang_list as $lang) {
		$path = "language_dirs/$lang/$file";
		if (file_exists($path)) {
			readfile($path);
			exit();
		}
	}
}


?>
